SN4 ""

No	Pattern	Freq
1	[verb] whether [conj] [adv]	821
2	[prep] whether [conj] [adv]	543
3	[prep] whether [conj] [adv]	543
4	[to-vb] whether [conj] [adv]	296
5	[noun] whether [conj] [adv]	223
6	decide whether [conj] [adv]	218
7	[v-ing] whether [conj] [adv]	183
8	[conj] whether [conj] [adv]	180
9	[noun sg] whether [conj] [adv]	176
10	[vb infin] whether [conj] [adv]	168
11	[coord] whether [conj] [adv]	154
12	of whether [conj] [adv]	148
13	of whether [conj] [adv]	148
14	to whether [conj] [adv]	143
15	to whether [conj] [adv]	143
16	and whether [conj] [adv]	121
17	and whether [conj] [adv]	121
18	on whether [conj] [adv]	100
19	on whether [conj] [adv]	100
20	be whether [conj] [adv]	89
21	[be] whether [conj] [adv]	89
22	[adj] whether [conj] [adv]	86
23	determine whether [conj] [adv]	84
24	about whether [conj] [adv]	82
25	about whether [conj] [adv]	82
26	[adv] whether [conj] [adv]	80
27	deciding whether [conj] [adv]	79
28	to decide whether [conj] [adv]	76
29	[adj] whether [conj] [adv]	74
30	is whether [conj] [adv]	65